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A review on aquatic ecosystem mesocosms.

Jia-Wen Wang1,2, Ping He1,2, Jie Xu1,2

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Aquatic ecosystem mesocosms are artificial near-natural simulation facilities. Research suggests increasing their structural complexity and integrating field monitoring for better ecosystem studies.

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Area of Science:

  • Environmental Science
  • Ecology
  • Limnology

Background:

  • Aquatic ecosystem mesocosms provide controlled environments for studying biological communities.
  • They bridge the gap between simplified laboratory experiments and complex field studies.
  • Mesocosm experiments allow manipulation of physical and chemical habitat conditions.

Purpose of the Study:

  • To classify global long-term aquatic ecosystem mesocosms.
  • To analyze the components and systems of mesocosms.
  • To provide recommendations for future mesocosm construction in China.

Main Methods:

  • Literature review and classification of global long-term mesocosms into four types: flowing, enclosure, land-based simulation pool, and mobile experimental tank.
  • Identification of common systems within mesocosms: physical-biological simulation, automatic control, monitoring and analysis, and central control.
  • Analysis of trends in Chinese aquatic ecosystem research towards whole-ecosystem approaches.

Main Results:

  • Four primary types of aquatic ecosystem mesocosms were identified globally.
  • Key components of mesocosms include simulation, control, monitoring, and central systems.
  • Chinese aquatic ecosystem research is shifting towards holistic ecosystem studies.

Conclusions:

  • Aquatic ecosystem mesocosms are valuable tools for ecological research.
  • Future mesocosm development in China should enhance structural complexity.
  • Integrating mesocosms with field in situ monitoring is recommended for large-scale simulations.